1: Which two items do end-users consider the main criteria for judging network performance? (Choose two.)  
A. network availability   
B. routing efficiency 
C. network design hierarchy 
D. application responsiveness   
E. link utilization  

2: Why would a network administrator implement Rapid Spanning Tree Protocol (RSTP) in an enterprise network?  
A. to prevent switching loops  
B. to load balance traffic over redundant links 
C. to implement full-duplex uplinks 
D. to autonegotiate switch trunks 

3: What are two steps that network administrators can take to ensure that users have immediate, reliable access to their emails and shared files? (Choose two.) 
A. Place FTP and email servers in separate locations for security. 
B. Provide FTP and email servers suited for low-volume traffic 
C. Secure the server location from unauthorized access both physically and logically.  
D. Ensure that redundant paths exist to all servers.  

4: Which recommendations should the network designer make to ensure that the web based e-commerce servers are secure and highly available? (Choose two.) 
A. Two DNS servers should be configured for redundancy.  
B. Allow inbound Telnet traffic from the Internet only from specified networks. 
C. Two WLC servers should be configured for redundancy. 
D. Internet traffic should be filtered using firewall features and intrusion detection.   
E. Customer access to the e-commerce across the Internet should be WPA encrypted. 

5: When an IP Telephony design is being implemeted, what other feature must also be implemented?  
A. QoS  
B. firewall 
C. DMZ 
D. ACLs 

6: Which two statements are true of an IP Telephony system? (Choose two.) 
A. End users can use digital or analog phones to make a call. 
B. Analog to digital conversion occurs at a voice-enabled router. 
C. A Cisco Unified Communications Manager is used for call control.  
D. Directories and web pages are available for use to end users.  

7: Which two statements are true regarding IP video communications? (Choose two.) 
A. Video servers should be distributed across the enterprise to conserve bandwidth in the server farm. 
B. Live video does not require a waiting period for viewing.  
C. VOD minimizes the effects on system resources.  
D. Live video requires large media file storage.

8: Match the definition on the left to its correct application characterisation.
Definitions:
A. collect existing network documentation and verbal input
B. gather information about network devices and details of current configurations
C. provide information about how the applications and protocols use the network

Characterisation: 
1: Network Audit
2: Traffic Analysis
3: Organisational Input
9: Which two physical elements of the network infrastructure must be examined by the network administrator prior to implementing a new real-time application? (Choose two.)
A. hardware devices and connections
B. office locations 
C. network 
D. IP addressing 
E. routing protocols

10: The administrator is setting up priority queuing. Which classification should be given to VoIP traffic?
A. High
B. medium 
C. normal 
D. low

11: Which tool can be used to conduct traffic analysis, identify and classify types of traffic in order to apply the correct QoS mechanisms? 
A. NBAR
B. NetFlow 
C. IDS 
D. priority queuing